blob: 620cb6c8bb25424f252d863f6b2123eb4f2afc05 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 2012-2014 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <pthread.h>
#ifdef SYMBOL_PREFIX
#define SYMBOL(str) SYMBOL_PREFIX #str
#else
#define SYMBOL(str) #str
#endif
/* Called from asm. */
static void __attribute__((used))
func (void)
{}
static void *
thread_function(void *arg)
{
/* `set_point1' is the label at which to set a fast tracepoint. The
insn at the label must be large enough to fit a fast tracepoint
jump. */
asm (" .global " SYMBOL(set_point1) "\n"
SYMBOL(set_point1) ":\n"
#if (defined __x86_64__ || defined __i386__)
" call " SYMBOL(func) "\n"
#endif
);
}
static void
end (void)
{}
int
main (int argc, char *argv[], char *envp[])
{
pthread_t threads[2];
int i;
for (i = 0; i < 2; i++)
pthread_create (&threads[i], NULL, thread_function, NULL);
for (i = 0; i < 2; i++)
pthread_join (threads[i], NULL);
end ();
return 0;
}
|
